Analysis

  • max time kernel
    134s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    23-02-2021 13:14

General

  • Target

    New Order.exe

  • Size

    734KB

  • MD5

    3e3175667f101af812aa1aca7f4e9a10

  • SHA1

    b46541a9ee94daa1dbc56ff4c6ff5a0824420f55

  • SHA256

    29b33dfc23c9d0fb7375b09cebd89658ed6b5cc66027512f1f697512209fc50a

  • SHA512

    0152166ac8dd7fb74cb2cf94562ba0f89f962c42a8ec51759a93fe24d7cba80b7052643c890eb62c1080f7c826f07cf7676aab42e5959a0c3b654f43500452ea

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.idroconsulting.biz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SSuavsk8

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Order.exe
    "C:\Users\Admin\AppData\Local\Temp\New Order.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\PDF.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1832
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:440

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • \Users\Admin\AppData\Local\Temp\InstallUtil.exe

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/440-27-0x00000000049F1000-0x00000000049F2000-memory.dmp

    Filesize

    4KB

  • memory/440-26-0x00000000049F0000-0x00000000049F1000-memory.dmp

    Filesize

    4KB

  • memory/440-24-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/440-23-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/440-20-0x00000000004375BE-mapping.dmp

  • memory/440-19-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1832-8-0x0000000000000000-mapping.dmp

  • memory/1832-18-0x0000000004CD1000-0x0000000004CD2000-memory.dmp

    Filesize

    4KB

  • memory/1832-16-0x0000000002270000-0x0000000002271000-memory.dmp

    Filesize

    4KB

  • memory/1832-15-0x0000000000670000-0x000000000067B000-memory.dmp

    Filesize

    44KB

  • memory/1832-12-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

    Filesize

    4KB

  • memory/1832-9-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-2-0x0000000073E00000-0x00000000744EE000-memory.dmp

    Filesize

    6.9MB

  • memory/1932-7-0x00000000003D0000-0x00000000003FF000-memory.dmp

    Filesize

    188KB

  • memory/1932-5-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

    Filesize

    4KB

  • memory/1932-3-0x0000000000980000-0x0000000000981000-memory.dmp

    Filesize

    4KB